Metal oxides for energy applications

Kumar, Sanjay; Saralch, Sudhir; Jabeen, Uzma; Pathak, Dinesh

doi:10.1016/b978-0-12-813357-6.00017-6

Cited by 15 publications

(4 citation statements)

References 136 publications

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“…The prepared sol can be applied on the substrate either by dip-coating or spin-coating approaches. While dip-coating includes three steps of dipping, withdrawing, and drying; spin-coating refers to a method in which the sol is applied on the center of a spinning substrate until it spreads and fully coats the substrate [76,77]. Figure 4 schematically shows a spin-coating process for fabrication of HAp coating.…”

Section: Sol-gelmentioning

confidence: 99%

Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

et al. 2021

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Hydroxyapatite has become an important coating material for bioimplants, following the introduction of synthetic HAp in the 1950s. The HAp coatings require controlled surface roughness/porosity, adequate corrosion resistance and need to show favorable tribological behavior. The deposition rate must be sufficiently fast and the coating technique needs to be applied at different scales on substrates having a diverse structure, composition, size, and shape. A detailed overview of dry and wet coating methods is given. The benefits of electrodeposition include controlled thickness and morphology, ability to coat a wide range of component size/shape and ease of industrial processing. Pulsed current and potential techniques have provided denser and more uniform coatings on different metallic materials/implants. The mechanism of HAp electrodeposition is considered and the effect of operational variables on deposit properties is highlighted. The most recent progress in the field is critically reviewed. Developments in mineral substituted and included particle, composite HAp coatings, including those reinforced by metallic, ceramic and polymeric particles; carbon nanotubes, modified graphenes, chitosan, and heparin, are considered in detail. Technical challenges which deserve further research are identified and a forward look in the field of the electrodeposited HAp coatings is taken.

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Section: Sol-gelmentioning

confidence: 99%

Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

et al. 2021

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“…68 In contrast, mechanical milling offers a more cost-effective alternative for producing nanoparticles, though it provides less control over particle uniformity and risks contamination from the milling process. 69 Chemical etching, another top-down method, is particularly useful for etching specific patterns and shapes at the nanoscale. This technique can create high-surface-area structures beneficial for gas sensing but can be complex and potentially involve hazardous substances.…”

Section: Development Of Mos-based E-nose Systemsmentioning

confidence: 99%

Emerging trends in metal oxide-based electronic noses for healthcare applications: a review

Abideen,

Arifeen,

Bandara

2024

Nanoscale

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“…Metal oxides and phosphates have Brønsted and Lewis acid sites on either the surface which also function as an active catalyst to different organic reactions. They consist of elements in groups IV and V with Zinc oxide (ZnO), titanium oxide (TiO2), tungsten oxide (WO3), tin oxide (SnO2), cuprous oxide (Cu2O), and cadmium oxide (CdO) observed to be metal oxides [50,51].…”

Section: Metal Oxidesmentioning

confidence: 99%

The Potential of Cellulose as a Source of Bioethanol using the Solid Catalyst: A Mini-Review

Anggoro

Oktavia

2021

Bull. Chem. React. Eng. Catal.

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One of the most important biofuels is cellulose ethanol which is a popular material for bioethanol production. The present cellulosic ethanol production is through the cellulolytic process and this involves the splitting of complex cellulose into simple sugars through the hydrolysis process of the lignocellulose pretreated with acids and enzymes after which the product is fermented and distilled. There are, however, some challenges due to the enzymatic and acid processes based on the fact that acid hydrolysis has the ability to corrode equipment and cause unwanted waste while the enzymatic hydrolysis process requires a longer time because enzymes are costly and limited. This means there is a need for innovations to minimize the problems associated with these two processes and this led to the application of solid catalysts as the green and effective catalyst to convert cellulose to ethanol. Solid catalysts are resistant to acid and base conditions, have a high surface area, and do not cause corrosion during the conversion of the cellulose due to their neutral pH. This review, therefore, includes the determination of the cellulose potential as feedstock to be used in ethanol production as well as the preparation and application of solid catalyst as the mechanism to convert cellulose into fuel and chemicals. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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Metal oxides for energy applications

Cited by 15 publications

References 136 publications

Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

Emerging trends in metal oxide-based electronic noses for healthcare applications: a review

The Potential of Cellulose as a Source of Bioethanol using the Solid Catalyst: A Mini-Review

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